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The root cause is XIP read prefetch in the FSS_FSAS_GENREGS wrapper (SYSCONFIG.DISXIP, bit 7), which is enabled by default. This series adds a dedicated FSS_FSAS platform driver that disables XIP prefetch at probe, plus the respective DT binding. Testing: This series was tested on TI's AM62Ax SK with OSPI NAND flash and AM62Px SK with OSPI NOR flash: Test log: https://gist.github.com/santhosh21/3ac2a0273065e86315a9b442327c9599 Repo: https://github.com/santhosh21/linux/commits/fsas Signed-off-by: Santhosh Kumar K Santhosh Kumar K (2): dt-bindings: memory: Add TI FSS_FSAS binding memory: ti-k3-fsas: Add TI FSS_FSAS driver .../memory-controllers/ti,am62a-fsas.yaml | 39 ++++++++++ drivers/memory/Kconfig | 10 +++ drivers/memory/Makefile | 1 + drivers/memory/ti-k3-fsas.c | 74 +++++++++++++++++++ 4 files changed, 124 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/ti,am62a-fsas.yaml create mode 100644 drivers/memory/ti-k3-fsas.c -- 2.34.1